54177791999 has 8 divisors (see below), whose sum is σ = 55156859520. Its totient is φ = 53200751256.

The previous prime is 54177791977. The next prime is 54177792007. The reversal of 54177791999 is 99919777145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54177791999 - 2⁸ = 54177791743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54177794999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452699 + ... + 559724.

It is an arithmetic number, because the mean of its divisors is an integer number (6894607440).

Almost surely, 2^54177791999 is an apocalyptic number.

54177791999 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

54177791999 is a deficient number, since it is larger than the sum of its proper divisors (979067521).

54177791999 is a wasteful number, since it uses less digits than its factorization.

54177791999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013389.

The product of its digits is 45008460, while the sum is 68.

The spelling of 54177791999 in words is "fifty-four billion, one hundred seventy-seven million, seven hundred ninety-one thousand, nine hundred ninety-nine".